@article{MM_2007_19_11_a4,
     author = {R. I. Parovik and I. A. Iljin and P. P. Firstov},
     title = {Generalized one-dimensional model for mass transfer of radon ${}^222${Rn} in ground and exhalation it in the surface layer of the atmosphere},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {43--50},
     publisher = {mathdoc},
     volume = {19},
     number = {11},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2007_19_11_a4/}
}